mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
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/**
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* Marvell NFC driver: Firmware downloader
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*
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* Copyright (C) 2015, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available on the worldwide web at
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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**/
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#ifndef __NFCMRVL_FW_DNLD_H__
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#define __NFCMRVL_FW_DNLD_H__
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#include <linux/workqueue.h>
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#define NFCMRVL_FW_MAGIC 0x88888888
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#define NCI_OP_PROP_BOOT_CMD 0x3A
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#define NCI_CORE_LC_PROP_FW_DL 0xFD
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#define NCI_CORE_LC_CONNID_PROP_FW_DL 0x02
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#define HELPER_CMD_ENTRY_POINT 0x04
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#define HELPER_CMD_PACKET_FORMAT 0xA5
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#define HELPER_ACK_PACKET_FORMAT 0x5A
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#define HELPER_RETRY_REQUESTED (1 << 15)
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struct nfcmrvl_private;
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struct nfcmrvl_fw_uart_config {
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uint8_t flow_control;
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uint32_t baudrate;
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} __packed;
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struct nfcmrvl_fw_i2c_config {
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uint32_t clk;
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} __packed;
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struct nfcmrvl_fw_spi_config {
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uint32_t clk;
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} __packed;
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struct nfcmrvl_fw_binary_config {
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uint32_t offset;
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union {
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void *config;
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struct nfcmrvl_fw_uart_config uart;
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struct nfcmrvl_fw_i2c_config i2c;
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struct nfcmrvl_fw_spi_config spi;
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uint8_t reserved[64];
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};
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} __packed;
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struct nfcmrvl_fw {
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uint32_t magic;
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uint32_t ref_clock;
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uint32_t phy;
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struct nfcmrvl_fw_binary_config bootrom;
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struct nfcmrvl_fw_binary_config helper;
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struct nfcmrvl_fw_binary_config firmware;
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uint8_t reserved[64];
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} __packed;
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struct nfcmrvl_fw_dnld {
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char name[NFC_FIRMWARE_NAME_MAXSIZE + 1];
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const struct firmware *fw;
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const struct nfcmrvl_fw *header;
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const struct nfcmrvl_fw_binary_config *binary_config;
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int state;
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int substate;
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int offset;
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int chunk_len;
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struct workqueue_struct *rx_wq;
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struct work_struct rx_work;
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struct sk_buff_head rx_q;
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struct timer_list timer;
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};
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int nfcmrvl_fw_dnld_init(struct nfcmrvl_private *priv);
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void nfcmrvl_fw_dnld_deinit(struct nfcmrvl_private *priv);
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void nfcmrvl_fw_dnld_abort(struct nfcmrvl_private *priv);
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int nfcmrvl_fw_dnld_start(struct nci_dev *ndev, const char *firmware_name);
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void nfcmrvl_fw_dnld_recv_frame(struct nfcmrvl_private *priv,
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struct sk_buff *skb);
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#endif
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